Summary
Overview
Work History
Education
Skills
Websites
Timeline
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Oleksandr Khalizov

Oleksandr Khalizov

Frontend Engineer (React/Next.js/TS)
Wien ,Wien

Summary

Frontend Engineer with strong experience in React, Next.js, and TypeScript, building scalable web applications with GraphQL and Tailwind CSS. Skilled at creating responsive UI, optimizing performance, and delivering features end-to-end — from design implementation to deployment on Vercel. Experienced in international teams and motivated to contribute expertise on part-time remote projects.

Overview

5
5
years of professional experience
4
4
Languages

Work History

New Wave Forge

Frontend Engineer
01.2025 - Current
  • Built and shipped a Next.js storefront for a B2B e-commerce platform (catalog, filtering, product detail pages, profile area).
  • Integrated GraphQL (Apollo) with fragments, cache policies, and pagination to reduce overfetching and improve performance.
  • Developed responsive UI using Tailwind CSS and reusable components, ensuring consistency across the platform.
  • Delivered SEO-friendly routes, optimized images, and improved Core Web Vitals metrics.
  • Set up deployment on Vercel with preview environments and CI checks (lint, type-check, build).

Frey Wille

IT Support Engineer
01.2023 - Current
  • Provided IT support for headquarters and retail stores (hardware, POS, ERP/Navision systems).
  • Maintained and troubleshooted network infrastructure (Fortinet, Wi-Fi, VPN).
  • Coordinated with vendors and internal teams to resolve system issues and ensure business continuity.
  • Assisted with onboarding and setup of new employees, including accounts, devices, and access rights.
  • Documented IT processes and improved daily support workflows for faster incident resolution.

Vodafone UA

Application Support Specialist
08.2021 - 02.2022
  • Supported and maintained internal enterprise software for Vodafone UA offices.
  • Diagnosed and fixed backend errors in internal applications and databases, ensuring system stability.
  • Collaborated with development teams to escalate and resolve recurring issues.
  • Assisted business units with technical troubleshooting, improving overall user productivity.
  • Documented fixes and contributed to knowledge base for future incidents.

IT Support Engineer

IT Support Engineer
01.2021 - 08.2021
  • Supported and maintained internal enterprise software for Vodafone UA offices.
  • Diagnosed and fixed backend errors in internal applications and databases, ensuring system stability.
  • Collaborated with development teams to escalate and resolve recurring issues.
  • Assisted business units with technical troubleshooting, improving overall user productivity.
  • Documented fixes and contributed to knowledge base for future incidents.

Education

Certificate - TypeScript

LearnTypeScript.online
Online.
04.2001 -

Certificate - React

React-Tutorial.app
Online.
04.2001 -

Certificate - JavaScript

LearnJavaScript.online
Online.
04.2001 -

Ph.D. - Software Engineering

Lviv Polytechnic National University
Lviv
07.2021

Skills

Reactjs

Nextjs

TypeScript

JavaScript (ES6)

GraphQL / Apollo Client

REST APIs

Tailwind CSS

Responsive Web Design

Git / GitHub

Testing (Jest / React Testing Library / Playwright)

CI/CD (GitHub Actions / Vercel)

Agile / Scrum

Timeline

New Wave Forge

Frontend Engineer
01.2025 - Current

Frey Wille

IT Support Engineer
01.2023 - Current

Vodafone UA

Application Support Specialist
08.2021 - 02.2022

IT Support Engineer

IT Support Engineer
01.2021 - 08.2021

Certificate - TypeScript

LearnTypeScript.online
04.2001 -

Certificate - React

React-Tutorial.app
04.2001 -

Certificate - JavaScript

LearnJavaScript.online
04.2001 -

Ph.D. - Software Engineering

Lviv Polytechnic National University

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Oleksandr KhalizovFrontend Engineer (React/Next.js/TS)